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Diffstat (limited to 'tools/testing/selftests/bpf/prog_tests')
-rw-r--r--tools/testing/selftests/bpf/prog_tests/verifier.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/verifier.c b/tools/testing/selftests/bpf/prog_tests/verifier.c
index 5356f26bbb3f..75f7a2ce334b 100644
--- a/tools/testing/selftests/bpf/prog_tests/verifier.c
+++ b/tools/testing/selftests/bpf/prog_tests/verifier.c
@@ -54,6 +54,7 @@
#include "verifier_masking.skel.h"
#include "verifier_meta_access.skel.h"
#include "verifier_movsx.skel.h"
+#include "verifier_mtu.skel.h"
#include "verifier_netfilter_ctx.skel.h"
#include "verifier_netfilter_retcode.skel.h"
#include "verifier_bpf_fastcall.skel.h"
@@ -223,6 +224,24 @@ void test_verifier_xdp_direct_packet_access(void) { RUN(verifier_xdp_direct_pack
void test_verifier_bits_iter(void) { RUN(verifier_bits_iter); }
void test_verifier_lsm(void) { RUN(verifier_lsm); }
+void test_verifier_mtu(void)
+{
+ __u64 caps = 0;
+ int ret;
+
+ /* In case CAP_BPF and CAP_PERFMON is not set */
+ ret = cap_enable_effective(1ULL << CAP_BPF | 1ULL << CAP_NET_ADMIN, &caps);
+ if (!ASSERT_OK(ret, "set_cap_bpf_cap_net_admin"))
+ return;
+ ret = cap_disable_effective(1ULL << CAP_SYS_ADMIN | 1ULL << CAP_PERFMON, NULL);
+ if (!ASSERT_OK(ret, "disable_cap_sys_admin"))
+ goto restore_cap;
+ RUN(verifier_mtu);
+restore_cap:
+ if (caps)
+ cap_enable_effective(caps, NULL);
+}
+
static int init_test_val_map(struct bpf_object *obj, char *map_name)
{
struct test_val value = {